The Striped Atlantic Forest Rat lives in moist forests of southern Brazil and northeastern Argentina. Its fur is soft, and a dark back stripe can be distinct or inconspicuous.
Its fur is soft and dense, with a dark brown to brownish-gray back. A dark stripe from the nape toward the tail base may be present or inconspicuous. The tail can be as long as or longer than the combined head-and-body length.
It is nocturnal and primarily terrestrial, but it climbs well and may use lower canopy vegetation seasonally. Recorded foods include fruits, seeds, invertebrates, and fungi.
An extinction-risk assessment has not been added yet.